Portable receiver unit for a metallic object detector



FIG. 1 is a right front perspective view of a portable receiver unit for a metallic object detector showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a portable receiver unit for a metallic object detector, as shown. 